EPSON WF-4830, WF-4820 Series Service Manual Page 141-160

EPSON WF-4830 Series/WF-4820 Series Revision A Disassembly/Assembly Routing FFCs/cables 143 Confidential Guide Rear ASF Upper Assy (WF-4820 Series) Route the PE3 Sensor Cable as follows. 1. At the upper side, route it through the grooves (x3) and hook of the Guide Rear ASF Upper Assy. 2. On the side, route it through the grooves (x2) and hooks (x3) of the Guide Rear ASF Upper Assy. 3. Put the ferrite core to the position shown above. 4. Route it from the top side of the Main Board, and secure it to the Shield Plate with acetate tape. 5. Connect it to the connector (CN105) on the Sub Board. Hook PE3 Sensor Cable Acetate tape CN105 Left PE3 Sensor Cable Main Board Sub Board Groove Guide Rear ASF Upper Assy Ferrite core Hooks 1st Cassette Sensor (WF-4830 Series) Route the 1st Cassette Sensor Cable as follows. 1. Route it through the grooves (x2) of the Frame Base Assy. 2. Route it through the grooves (x2) and hook of the Guide Rear ASF Upper Assy. 3. Bundle the PE3 Sensor Cable, the Power Supply Cable and 1st Cassette Sensor Cable together with acetate tape. 4. Secure it with the clamps (x2) of the shield plate, and connect it to the connector on the Main Board. Grooves Guide Rear ASF Upper Assy Hook Ferrite core 1st Cassette Sensor Cable 1st Cassette Sensor Cable Grooves Frame Base Assy Clamp Clamp 1st Cassette Sensor Cable Paper Cassette Sensor (WF-4820 Series) Route the Cassette Sensor Cable as follows. 1. Route it through the grooves (x2) of the Frame Base Assy. 2. Route the Cassette Sensor Cable through the clamp, and connect it to the connector (CN504) on the Main Board. CN504 Clamp Cassette Sensor Cable Main Board Grooves Cassette Sensor Cable Holder Connector FFC Route the Holder Connector FFC as follows. 1. Secure it to the Frame Base Assy with double-sided tape as shown above. 2. Secure it to the rear of the Main Frame with 2 pieces of double-sided tape, and connect it to the connector on the Main Board. Acetate tape Double-sided tape WF-4830 Series Holder Connector FFC CN9 Holder Connector FFC Double-sided tape Frame Base Assy Step 1 Holder Connector FFC Holder Connector FFC WF-4820 Series CN507
Page 3 of 20

Epson WF-4830 Series Service Manual Page 141-160
Epson WF-4820 Series Service Manual Page 141-160

Leave a Reply